Timken cylindrical roller bearing catalogus

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CYLINDRICAL ROLLER BEARINGS nomenclature

nomenclature Inner Ring Bore Size 02 = 15 mm 03 = 17 mm (for inner ring bore ≥ 20 mm): bore code x 5 = bore diameter 04 = 4 x 5 = 20 mm See Standard Styles, fig. 17 below. For two-row bearings, use NNU.

NU

Enhanced Geometry

22

36

Dimension Series Width Series + Diameter Series 10 = width series 1; diameter series 0 (dimension series 10) 2 = width series 0; diameter series 2 (dimension series 02) 22 = width series 2; diameter series 2 (dimension series 22) 3 = width series 0; diameter series 3 (dimension series 03) 23 = width series 2; diameter series 3 (dimension series 23)

E

MA

Radial Internal Clearance

C3

Cage Type MA = Timken’s single-piece, land-riding, machinedbrass cage

Fig. 16. Metric ISO radial cylindrical roller bearings nomenclature.

NU, RIU, RU

N, RIN, RN

NJ, RIJ, RJ

NF, RIF, RF

NUP, RIT, RT

NP, RIP, RP

Fig. 17. Standard cylindrical roller bearing styles metric/inch.

Bore Inch: 200 20.0 in. 42 4.25 in. 43 4.375 in. standard sizes are 4 - 27.20 inch

METRIC

Metric: 200 200 mm 210 210 mm 220 220 mm standard sizes are 100 - 600 mm

200

Series: two digits indicates metricenvelope dimensions three digits indicates inchenvelope dimensions

See Standard Styles, fig. 17 above. “I” identifies inch-size bearings.

RU

02

OA107

Modifications: (First two letters are assigned by Timken engineers) Letter other than “O” in first position indicates modification to inner ring. Letter other than “O” in second position indicates modification to outer ring.

Fig. 18. ABMA radial cylindrical roller bearings nomenclature.

56

TIMKEN CYLINDRICAL ROLLER BEARING CATALOG

R3 Radial Internal Clearance: R1 < R2 R2 < R3 R3 = Standard R4 > R3 R5 > R4


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Timken cylindrical roller bearing catalogus by ERIKS Nederland - Issuu